/Engine/Plugins/Experimental/Animation/MotionTrajectory/Source/MotionTrajectory/Public/CharacterTrajectoryComponent.h
This can be used to override the facing used for trajectory calculation.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintNativeEvent, Category="Trajectory") FRotator GetFacingFromMeshComponent ( const [USkeletalMeshComponent](API\Runtime\Engine\Components\USkeletalMeshComponent) * MeshComponent ) const